The perimeter is 30 cm. The breadth of the rectangle is 9cm. What is length.
Answers
Answered by
2
Hi there!!!
let length be x.
Perimeter of a rectangle = 30 cm
2×(l+b) = 30
2×(x + 9) = 30
x + 9 = 30/2
x + 9 = 15
x = 15 - 9
x = 6 cm
Length = 6cm
Hope it helps!!!
let length be x.
Perimeter of a rectangle = 30 cm
2×(l+b) = 30
2×(x + 9) = 30
x + 9 = 30/2
x + 9 = 15
x = 15 - 9
x = 6 cm
Length = 6cm
Hope it helps!!!
Answered by
0
breadth=9cm
perimeter=30cm
2(l+b)=30
2(l+9)=30
2l+18=30
l=6
perimeter=30cm
2(l+b)=30
2(l+9)=30
2l+18=30
l=6
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